dart-sdk/tests/language/async_nested/async_nested41_test.dart
Robert Nystrom 86f8e3438a Migrate language_2/async_nested to NNBD.
Change-Id: I16f1be4e17fa87aa94b294f281dfe14ea0129eb3
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134904
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
2020-02-12 20:46:37 +00:00

44 lines
1.2 KiB
Dart

// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// This has been automatically generated by script
// "async_nested_test_generator.dart".
import 'dart:async';
void main() async {
String expected = "1 2 3 4 5 6 7 8 9";
Node node = new Node('1', [
await new Future.value(new Node('2', [])),
await new Future.value(new Node('3', [
new Node('4', []),
await new Future.value(new Node('5', [
new Node('6', []),
])),
await new Future.value(new Node('7', [])),
new Node('8', []),
])),
await new Future.value(new Node('9', [])),
]);
String actual = node.toSimpleString();
print(actual);
if (actual != expected) {
throw "Expected '$expected' but got '$actual'";
}
}
class Node {
final List<Node>? nested;
final String name;
Node(this.name, [this.nested]) {}
String toString() => '<$name:[${nested?.join(', ')}]>';
toSimpleString() {
var tmp = nested?.map((child) => child.toSimpleString());
return '$name ${tmp?.join(' ')}'.trim();
}
}